Sorry, I don't know where to post this so please move it to the relevant place. I've also tried to do a search, but the 'hack' keyword just brings up stuff about players who were suspended/banned...
The last 2 games I've played tonight, this has happened in the naming lobby. Apologies again - I just had to grab what I could in the short space of time...
https://gyazo.com/cab5d932442dd2da0e6bde701a8ce669
In the second game (where I did manage to get this screenshot) some players were accusing 'SuckMyx' - although I can't remember that player being in my previous game...
Screenshot of end game lobby
https://gyazo.com/8671de72bbba691923c13a06dbbd6a91